[Ips-wgr] IPS Weekly Geo. Report (03 April 08)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 03 APRIL 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (25 MARCH - 02 APRIL)
K indices are in UT (0-24). For conversion to local time:
AEST = UT + 10 hours; ACST = UT + 9.5 hours; AWST = UT + 8 hours
        Australian Region*              
 Date     K-INDICES    A               
 25 Mar   2221 1112    5     
 26 Mar   2234 4444   20     
 27 Mar   3333 3344   18    
 28 Mar   3344 4332   18    
 29 Mar   2222 3222    8    
 30 Mar   2222 3212    7    
 31 Mar   1112 2112    4    
 01 Apr   2212 2111    5    
 02 Apr   1110 0011    1    

*estimated from real time data

Active 26-28 March due to coronal hole, otherwise mostly
quiet to unsettled on other days.


NOTE: Indices may have been generated from data obtained in 
cooperation with the following organisations: Geoscience Australia, 
University of Newcastle Space Physics Group, Australian Government 
Antarctic Division and Space Environment Research Center, Japan.


2. FORECAST (03 APRIL - 03 MAY)
Disturbed Periods: 4-7, 22-25 April.

Best Quiet Periods: 14-21 Apr.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: NA

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 12-20, 25 Apr - 1 May.

Southern Australian Regions:
 Disturbed Periods: 5-13 April.
 Best Quiet Periods:  14-19 Apr, 26 Apr - 1 May.

Pc3 pulsations are high frequency (10-45 second period) variations 
of the Earths magnetic field. Daily pc3-indices are the daily sum of 
20 minute pc3-indices for that station and have been shown to be well 
correlated with rejection of high resolution aeromagnetic survey 
flight-line data.

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